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Optical deflecting device

a technology of optical deflector and axis, which is applied in the direction of optics, optical elements, instruments, etc., can solve the problems of unstable operation of the device, difficulty in switching the inclination direction of the plate-like member in the optical deflector,

Inactive Publication Date: 2011-06-21
RICOH KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is, however, difficult to switch the inclination direction of the plate-like member in the optical deflecting device.
Thus, the operation of the device might become unstable.

Method used

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Embodiment Construction

[0024]Referring now to the drawings, wherein like reference numerals designate identical or corresponding parts throughout the several views, preferred embodiments of the present invention are described.

[0025]FIG. 1A and FIG. 1B are diagrams schematically illustrating an exemplary structure of an optical deflecting device according to an embodiment of the present invention.

[0026]FIG. 1A illustrates the optical deflecting device without a plate-like member, and FIG. 1B illustrates the optical deflecting device with the plate-like member. The optical deflecting device includes a substrate 101, an insulating film 102, a plurality of electrodes 103, a fulcrum member 106, a plate-like member 107, and a regulation member 108. The plate-like member 107 has a light reflective area formed on an upper surface thereof and a conductor layer formed at least on part of a backside thereof to oppose the electrodes 103.

[0027]The plate-like member 107 rests on the fulcrum member 106 as illustrated in...

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PUM

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Abstract

An optical deflecting device including a mirror member having a light reflective area. The optical deflecting device includes a plurality of electrodes that are formed on a substrate, a fulcrum member that functions as an electrode and a regulation member. The range of movement to a respect direction of the substrate is regulated by the regulation member, which includes a conductive material at least in the surface thereof.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]The present application claims priority and contains subject matter related to Japanese Patent Application No. 2007-067241 filed in the Japanese Patent Office on Mar. 15, 2007, the entire contents of which are hereby incorporated herein by reference.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention relates to an optical deflecting device that changes a reflection direction of an incident light flux using a small mirror member, and a method for driving the optical deflecting device. Such a device may be used in an image forming apparatus, such as a printer, a copier, etc., and a projection-type image and video display apparatus, such as a projector, a digital theater system, etc.[0004]2. Description of the Background Art[0005]An optical deflecting device in which a plate-like member having a light reflective area not including a fixed end has been proposed, for example, in Japanese Patent Application Lai...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): G02B26/08
CPCG02B26/0841
Inventor KATOH, SEIICHINANJYO, TAKESHI
Owner RICOH KK